64 citations · 309 across the 12 of their papers we have counts for
13 papers
Intertwined magnetic, structural, and electronic transitions in VO
Benjamin A. Frandsen, Yoav Kalcheim, Ilya Valmianski +15
We present a coordinated study of the paramagnetic-to-antiferromagnetic, rhombohedral-to-monoclinic, and metal-to-insulator transitions in thin-film specimens of the classic Mott i…
Probing the quantum phase transition in Mott insulator BaCoS_2 tuned by pressure and Ni-substitution
Z. Guguchia, B. A. Frandsen, D. Santos-Cottin +15
We present a muon spin relaxation study of the Mott transition in BaCoS_2 using two independent control parameters: (i) pressure p to tune the electronic bandwidth and (ii) Ni-subs…
On the Global Geometry of Sphere-Constrained Sparse Blind Deconvolution
Yuqian Zhang, Yenson Lau, Han-Wen Kuo +3
Blind deconvolution is the problem of recovering a convolutional kernel and an activation signal from their convolution $\boldsymbol y = \boldsy…
Dictionary Learning in Fourier Transform Scanning Tunneling Spectroscopy
Sky C. Cheung, John Y. Shin, Yenson Lau +5
Modern high-resolution microscopes, such as the scanning tunneling microscope, are commonly used to study specimens that have dense and aperiodic spatial structure. Extracting mean…
Disentangling superconducting and magnetic orders in NaFe_1-xNi_xAs using muon spin rotation
Sky C. Cheung, Zurab Guguchia, Benjamin A. Frandsen +24
Muon spin rotation and relaxation studies have been performed on a "111" family of iron-based superconductors NaFe_1-xNi_xAs. Static magnetic order was characterized by obtaining t…
Ba(Zn,Co)2As2: a II-II-V Diluted Ferromagnetic Semiconductor with N-type Carriers
Shengli Guo, Huiyuan Man, Cui Ding +14
Diluted ferromagnetic semiconductors (DMSs) that combine the properties of semiconductors with ferromagnetism have potential application in spin-sensitive electronics (spintronics)…
Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFeAs (Co, Ni)
David W. Tam, Yu Song, Haoran Man +22
We use neutron diffraction and muon spin relaxation to study the effect of in-plane uniaxial pressure on the antiferromagnetic (AF) orthorhombic phase in BaFeAs and its Co-…
SR and magnetometry study of superconducting 5% Pt doped IrTe
M. N. Wilson, T. Medina, T. J. Munsie +7
We present magnetometry and muon spin rotation (SR) measurements of the superconducting dichalcogenide IrPtTe. From both sets of measurements we calculate…
Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning
Benjamin A. Frandsen, Lian Liu, Sky C. Cheung +25
Metal-to-insulator transitions (MITs) are a dramatic manifestation of strong electron correlations in solids1. The insulating phase can often be suppressed by quantum tuning, i.e.…
Antiferromagnetism and Hidden Order in Isoelectronic Doping of URuSi
M. N. Wilson, T. J. Williams, Y. -P. Cai +8
We present muon spin rotation (SR) and susceptibility measurements on single crystals of isoelectronically doped URuTSi (T = Fe, Os) for doping levels up to 50\%…
(Sr,Na)(Zn,Mn)2As2: A new diluted ferromagnetic semiconductor with the hexagonal CaAl2Si2 type structure
B. J. Chen, K. Zhao, Z. Deng +15
A new diluted ferromagnetic semiconductor (Sr,Na)(Zn,Mn)2As2 is reported, in which charge and spin doping are decoupled via Sr/Na and Zn/Mn substitutions, respectively, being disti…
(Ca,Na)(Zn,Mn)2As2: a new spin & charge doping decoupled diluted ferromagnetic semiconductor with hexagonal CaAl2Si2 structure
K. Zhao, B. J. Chen, Z. Deng +17
Here we report the successful synthesis of a spin- & charge-decoupled diluted magnetic semiconductor (Ca,Na)(Zn,Mn)2As2, crystallizing into the hexagonal CaAl2Si2 structure. The co…
Long-Range Magnetic Order in the 5d^2 Double Perovskite Ba2CaOsO6: Comparison with Spin-Disordered Ba2YReO6
C. M. Thompson, J. P. Carlo, R. Flacau +11
The B-site ordered double perovskite Ba2CaOsO6 was studied by d.c. magnetic susceptibility, powder neutron diffraction and muon spin relaxation methods. The lattice parameter is a…